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May 6, 2026Open Access

Electrooxidation of 1,3-propanediol to 3-hydroxypropionic acid over Ni/C catalysts

STSaharu TsunodaSaitama University HKHideki KurokawaSaitama University HOHitoshi OgiharaSaitama University

Key Points

The study aims to explore the electrooxidation of 1,3-propanediol to 3-hydroxypropionic acid using Ni/C catalysts.
Investigated the electrochemical oxidation of 1,3-propanediol in alkaline media.
Utilized Ni/C electrocatalysts for high activity and selectivity.
Employed cyclic voltammetry and product analysis to study reaction pathways.
Demonstrated two oxidation pathways for 1,3-propanediol: producing 3-hydroxypropionic acid and formic acid.
Ni/C catalysts showed significant activity for selective oxidation.

Abstract

Abstract The electrochemical oxidation of biomass-derived alcohols offers a promising route for sustainable chemical production. Here, we investigate the selective electrooxidation of 1,3-propanediol (1,3-PDO), a glycerol-derived platform diol, to 3-hydroxypropionic acid (3-HA) using Ni/C electrocatalysts in alkaline media. Among several metal-based catalysts, Ni/C showed high activity and selectivity for 3-HA formation. Cyclic voltammetry, product analysis, and electron paramagnetic resonance spectroscopy indicated two oxidation pathways of 1,3-PDO: partial oxidation to 3-HA and OH-insertion-assisted C–C bond cleavage yielding formic acid.

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Cite This Study

Tsunoda et al. (Mon,) studied this question.

synapsesocial.com/papers/69faa2e204f884e66b533602 https://doi.org/https://doi.org/10.1093/chemle/upag075

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